Matching (9) Match items in column A to column B

Column a Column b
1.
A.
Inner Core
2.
B.
Convection
3.
C.
Crust
4.
D.
Dense
5.
E.
Core
6.
F.
Outer Core
7.
G.
Lithosphere
8.
H.
Mantle
9.
I.
Asthenosphere